1 /* $NetBSD: drm_writeback.h,v 1.6 2021/12/19 10:46:03 riastradh Exp $ */ 2 3 /*- 4 * Copyright (c) 2018 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Taylor R. Campbell. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #ifndef _DRM_DRM_WRITEBACK_H_ 33 #define _DRM_DRM_WRITEBACK_H_ 34 35 #include <drm/drm_connector.h> 36 37 struct dma_fence; 38 struct drm_connector; 39 struct drm_connector_state; 40 struct drm_framebuffer; 41 struct drm_writeback_connector; 42 43 struct drm_writeback_connector { 44 struct drm_connector base; 45 }; 46 47 struct drm_writeback_job { 48 struct drm_framebuffer *fb; 49 struct dma_fence *out_fence; 50 }; 51 52 struct drm_writeback_connector * 53 drm_connector_to_writeback(struct drm_connector *); 54 struct dma_fence * 55 drm_writeback_get_out_fence(struct drm_writeback_connector *); 56 int drm_writeback_prepare_job(struct drm_writeback_job *); 57 void drm_writeback_cleanup_job(struct drm_writeback_job *); 58 int drm_writeback_set_fb(struct drm_connector_state *, 59 struct drm_framebuffer *); 60 61 #endif /* _DRM_DRM_WRITEBACK_H_ */ 62